diff --git a/doc/src/sgml/ref/clusterdb.sgml b/doc/src/sgml/ref/clusterdb.sgml
index b25845ffc6..f3b09635c3 100644
--- a/doc/src/sgml/ref/clusterdb.sgml
+++ b/doc/src/sgml/ref/clusterdb.sgml
@@ -97,6 +97,14 @@ PostgreSQL documentation
that is not set, the user name specified for the connection is
used.
+
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
+
diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml
index 4bcd4bdaef..907f6afc97 100644
--- a/doc/src/sgml/ref/pg_dump.sgml
+++ b/doc/src/sgml/ref/pg_dump.sgml
@@ -113,6 +113,13 @@ PostgreSQL documentation
PGDATABASE is used. If that is not set, the
user name specified for the connection is used.
+
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
+
diff --git a/doc/src/sgml/ref/pg_restore.sgml b/doc/src/sgml/ref/pg_restore.sgml
index c6013546a0..bc13914f06 100644
--- a/doc/src/sgml/ref/pg_restore.sgml
+++ b/doc/src/sgml/ref/pg_restore.sgml
@@ -155,6 +155,13 @@
class="parameter">dbname and restore directly
into the database.
+
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
+
diff --git a/doc/src/sgml/ref/pgbench.sgml b/doc/src/sgml/ref/pgbench.sgml
index 4c48a58ed2..1d461a801e 100644
--- a/doc/src/sgml/ref/pgbench.sgml
+++ b/doc/src/sgml/ref/pgbench.sgml
@@ -85,6 +85,12 @@ pgbench -i other-options-h,
, and/or options to specify how to
connect to the database server.)
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
diff --git a/doc/src/sgml/ref/reindexdb.sgml b/doc/src/sgml/ref/reindexdb.sgml
index 5e21fbcc4e..3b4007a7bc 100644
--- a/doc/src/sgml/ref/reindexdb.sgml
+++ b/doc/src/sgml/ref/reindexdb.sgml
@@ -140,6 +140,14 @@ PostgreSQL documentation
that is not set, the user name specified for the connection is
used.
+
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
+
diff --git a/doc/src/sgml/ref/vacuumdb.sgml b/doc/src/sgml/ref/vacuumdb.sgml
index 47d93456f8..ff09732b62 100644
--- a/doc/src/sgml/ref/vacuumdb.sgml
+++ b/doc/src/sgml/ref/vacuumdb.sgml
@@ -99,6 +99,14 @@ PostgreSQL documentation
that is not set, the user name specified for the connection is
used.
+
+ If this parameter contains an = sign or starts
+ with a valid URI prefix
+ (postgresql://
+ or postgres://), it is treated as a
+ conninfo string. See for more information.
+